MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea4d2fb2d6868db36ff567d83b9f94f441697a62c81e7d3054385a508ec2491c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



QuasarRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 10 File information Comments

SHA256 hash: ea4d2fb2d6868db36ff567d83b9f94f441697a62c81e7d3054385a508ec2491c
SHA3-384 hash: 6b4c83f9506e01fac29f0eaa7e7e5fdf4d14cf5584fe385e4e2a403e9ddc36d546fe9a2a3ebcc6b453a5bb569134836e
SHA1 hash: 0e04373ca408751ad69c6ba65d8c313b1f63da70
MD5 hash: 411d1d80bf27bf78ce7d328cddfd6068
humanhash: glucose-triple-papa-magazine
File name:Ncvotkdidv.mp3
Download: download sample
Signature QuasarRAT
File size:2'128'384 bytes
First seen:2024-12-03 14:47:17 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 60 x CobaltStrike, 44 x JanelaRAT)
ssdeep 49152:IyLf2z+KERQj/tioBvfWJch3VtIAlw2pC3nWQ5kQ3Y:T+ziRQTwoBXcq3VtIAlwUCXfuQ3Y
TLSH T1CBA5120D7AF28F51E3480E71C4631114DB6AF6813673F78E2DA961663E473FAB8421D6
TrID 87.2% (.DLL) Generic .NET DLL/Assembly (236632/4/32)
3.8% (.EXE) Win64 Executable (generic) (10522/11/4)
2.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter NDA0E
Tags:decrypted dll injector QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
421
Origin country :
RO RO
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Tags:
emotet virus msil remo
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cryptor_detected masquerade net_reactor obfuscated packed packed
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1567566 Sample: Ncvotkdidv.mp3.dll Startdate: 03/12/2024 Architecture: WINDOWS Score: 68 15 Antivirus / Scanner detection for submitted sample 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 .NET source code contains method to dynamically call methods (often used by packers) 2->19 21 2 other signatures 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process5 13 rundll32.exe 9->13         started       
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2024-12-03 14:48:06 UTC
File Type:
PE (.Net Dll)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
ea4d2fb2d6868db36ff567d83b9f94f441697a62c81e7d3054385a508ec2491c
MD5 hash:
411d1d80bf27bf78ce7d328cddfd6068
SHA1 hash:
0e04373ca408751ad69c6ba65d8c313b1f63da70
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


The table below shows additional information about this malware sample such as delivery method and external references.

QuasarRAT

DLL dll ea4d2fb2d6868db36ff567d83b9f94f441697a62c81e7d3054385a508ec2491c

(this sample)

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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